|Date|Tournament|Winner|Purse ($)|Notes|
|---|---|---|---|---|
|25 Feb|Pinamar Open|Miguel Rodriguez|70,000||
|3 Mar|South Open|Rafael Gómez|100,000||
|10 Mar|Parana Open|Julio Zapata|70,000||
|8 Apr|Norpatagonico Open|Luciano Dodda (amateur)||PGA Argentina- No valid TPG|
|15 Apr|Center Open|Ángel Cabrera|200,000|Co-sanctioned by the TLA|
|22 Apr|Ángel Cabrera Classic|Rafael Gómez|120,000||
|29 Apr|Chaco Open|Fabián Gómez|70,000||
|9 Jun|North Open|Ricardo González, Andrés Romero (tie)|80,000||
|10 Jul|Metropolitano Open|José Cóceres||PGA Argentina- No valid TPG|
|11 Aug|Misiones Open|Sergio Acevedo|70,000||
|19 Aug|Carlos Franco Invitational|Marco Ruiz|93,000||
|29 Sep|Salta Open|Andrés Romero|80,000||
|7 Oct|Tandil Open|Diego Ortiz|70,000||
|27 Oct|Argentine Masters|Ángel Cabrera|420,000|Co-sanctioned by the TLA|
|4 Nov|Mendoza Open|Rafael Echenique|80,000||
|11 Nov|Roberto de Vicenzo Classic|Miguel Guzmán|120,000||
|25 Nov|San Luis Open|Emilio Dominguez|450,000|Co-sanctioned by the TLA|
|2 Dec|Abierto del Litoral|Miguel Rodriguez|520,000|Co-sanctioned by the TLA and Challenge Tour|
|9 Dec|Argentine Open|Marco Ruiz|600,000|Co-sanctioned by the TLA and Challenge Tour|

Question: how many tournaments were held in april?
Answer: 4